package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;


@RestController
@RequestMapping("/category")
public class CategoryController {

    @Autowired
    private CategoryService categoryService;

    /**
     * 分页查询
     *
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page<Category>> page(int page, int pageSize) {
        Page<Category> pageInfo = new Page<>(page, pageSize);
        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper<>();
        lqw.orderByDesc(Category::getCreateTime);
        Page<Category> categoryPage = categoryService.page(pageInfo, lqw);

        return R.success(categoryPage);
    }

    /**
     * 新增菜品分类
     *
     * @param category
     * @return
     */
    public R<String> save(@RequestBody Category category) {
        categoryService.save(category);
        return R.success("新增成功");
    }

    /**
     * 根据id查询菜品分类数据
     *
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public R<Category> getById(@PathVariable Long id) {
        Category category = categoryService.getById(id);
        return R.success(category);
    }

    /**
     * 修改菜品分类
     *
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody Category category) {
        categoryService.updateById(category);
        return R.success("修改成功");
    }

    /**
     * 删除菜品分类
     *
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String> delete(Long id) {
        categoryService.deleteById(id);
        return R.success("删除成功");
    }
    /**
     * 根据条件查询分类数据
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加条件
        queryWrapper.eq(category.getType() != null,Category::getType,category.getType());
        //添加排序条件
        queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(queryWrapper);
        return R.success(list);
    }

}
